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<?php interface Foo { public function doSomething(string $param1); } class Bar implements Foo { public function doSomething(string $param1) { echo "Bar: " . $param1; } } class Baz implements Foo { // Using a named parameter different from Foo's signature public function doSomething(string $paramName) { echo "Baz: " . $paramName; } } function processFoo(Foo $foo) { $foo->doSomething(param1: "Test"); } $bar = new Bar(); $baz = new Baz(); processFoo($bar); // Works fine processFoo($baz); // Fatal error:
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Bar: Test Fatal error: Uncaught Error: Unknown named parameter $param1 in /in/L1Ki3:21 Stack trace: #0 /in/L1Ki3(28): processFoo(Object(Baz)) #1 {main} thrown in /in/L1Ki3 on line 21
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Parse error: syntax error, unexpected ':', expecting ')' in /in/L1Ki3 on line 21
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34
Parse error: syntax error, unexpected ':', expecting ',' or ')' in /in/L1Ki3 on line 21
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected ':' in /in/L1Ki3 on line 21
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected ':' in /in/L1Ki3 on line 21
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING in /in/L1Ki3 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1
Parse error: parse error, unexpected T_STRING in /in/L1Ki3 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/L1Ki3 on line 3
Process exited with code 255.
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